Chuck



FIG. 1 is a perspective view of a chuck in accordance with an embodiment of the present invention;

FIG. 2 is a top view of the chuck illustrated in FIG. 1;

FIG. 3 is a bottom view of an embodiment of the chuck illustrated in FIGS. 1 and 2;

FIG. 4 is a side view of the chuck illustrated in FIG. 3;

FIG. 5 is a bottom view of another embodiment of the chuck illustrated in FIGS. 1 and 2; and,

FIG. 6 is a side view of the chuck illustrated in FIG. 5. 

The ornamental design for a chuck, as shown and described. 